Product Description Dell UltraSharp 27 4K Monitor : U2718Q Device Type LED-backlit LCD monitor - 27" Diagonal Size 27" Features USB 3.0 hub Panel Type In-Plane switching Technology Aspect Ratio 16:9 Native Resolution 4K 3840 x 2160 at 60 Hz Pixel Pitch 0.1554 mm x 0.1554 mm Brightness 350 cd/m2Contrast Ratio 1300 to 1 (typical) Response Time 5 ms (gray-to-gray) Color Support 1.07 billion colors Input Connectors HDMI, DisplayPort, Mini DisplayPort Display Position Adjustments Height, pivot (rotation), swivel, tilt Screen Coating Anti-glare, 3H Hard Coating Compliant Standards Energy Star certified EPEAT Gold TCO Certified Display RoHS Compliant Diagonal Viewing Size 68.47 cm 27 inches Display Screen Coating Antiglare with hard-coating 3H Backlight Technology LED Maximum Preset Resolution 3840 x 2160 at 60Hz